CVEvulnerability
CVE-2021-3759
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-23
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400, CWE-770
Description
A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
Affected configurations
• linux linux kernel
• debian debian linux 10.0
Related
References
- https://access.redhat.com/security/cve/CVE-2021-3759 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1999675 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html Mailing List, Third Party Advisory
- https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/ lore.kernel.org
- https://access.redhat.com/security/cve/CVE-2021-3759 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1999675 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html Mailing List, Third Party Advisory
- https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/ lore.kernel.org
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com